Question

A line passes through the points (2,2) and (3,9). What is its equation in point-slope form?

Answer 1

slope formula

(y2-y1) / (x2-x1)

(9-2) / (3-2) = 7

slope 7

point (2,2)

y - y1 = m(x - x1)

y = m(x-x1)+y1

y = 7(x-2) + 2